/* * Copyright The OpenTelemetry Authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { MetricReader, PushMetricExporter } from '@opentelemetry/sdk-metrics'; export class TestMetricReader extends MetricReader { constructor(private _exporter: PushMetricExporter) { super({ aggregationTemporalitySelector: _exporter.selectAggregationTemporality?.bind(_exporter), }); } protected onForceFlush(): Promise { return Promise.resolve(undefined); } protected onShutdown(): Promise { return Promise.resolve(undefined); } public async collectAndExport(): Promise { const result = await this.collect(); await new Promise((resolve, reject) => { this._exporter.export(result.resourceMetrics, result => { if (result.error != null) { reject(result.error); } else { resolve(); } }); }); } }